Adds example for dev_mode and updates doc (#13944)

* Adds example for dev_mode and updates doc * Addresses review comments * Update frame/examples/dev-mode/src/lib.rs Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com> * Addresses review comment --------- Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com>
2026-04-28 07:27:55 +00:00 · 2023-04-19 16:24:19 +05:30
parent bb394e08ac
commit e458bf3795
7 changed files with 320 additions and 0 deletions
@@ -0,0 +1,130 @@
+// This file is part of Substrate.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// 	http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+//! Tests for pallet-dev-mode.
+
+use crate::*;
+use frame_support::{assert_ok, traits::ConstU64};
+use sp_core::H256;
+use sp_runtime::{
+	testing::Header,
+	traits::{BlakeTwo256, IdentityLookup},
+	BuildStorage,
+};
+// Reexport crate as its pallet name for construct_runtime.
+use crate as pallet_dev_mode;
+
+type UncheckedExtrinsic = frame_system::mocking::MockUncheckedExtrinsic<Test>;
+type Block = frame_system::mocking::MockBlock<Test>;
+
+// For testing the pallet, we construct a mock runtime.
+frame_support::construct_runtime!(
+	pub enum Test where
+		Block = Block,
+		NodeBlock = Block,
+		UncheckedExtrinsic = UncheckedExtrinsic,
+	{
+		System: frame_system::{Pallet, Call, Config, Storage, Event<T>},
+		Balances: pallet_balances::{Pallet, Call, Storage, Config<T>, Event<T>},
+		Example: pallet_dev_mode::{Pallet, Call, Storage, Event<T>},
+	}
+);
+
+impl frame_system::Config for Test {
+	type BaseCallFilter = frame_support::traits::Everything;
+	type BlockWeights = ();
+	type BlockLength = ();
+	type DbWeight = ();
+	type RuntimeOrigin = RuntimeOrigin;
+	type Index = u64;
+	type BlockNumber = u64;
+	type Hash = H256;
+	type RuntimeCall = RuntimeCall;
+	type Hashing = BlakeTwo256;
+	type AccountId = u64;
+	type Lookup = IdentityLookup<Self::AccountId>;
+	type Header = Header;
+	type RuntimeEvent = RuntimeEvent;
+	type BlockHashCount = ConstU64<250>;
+	type Version = ();
+	type PalletInfo = PalletInfo;
+	type AccountData = pallet_balances::AccountData<u64>;
+	type OnNewAccount = ();
+	type OnKilledAccount = ();
+	type SystemWeightInfo = ();
+	type SS58Prefix = ();
+	type OnSetCode = ();
+	type MaxConsumers = frame_support::traits::ConstU32<16>;
+}
+
+impl pallet_balances::Config for Test {
+	type MaxLocks = ();
+	type MaxReserves = ();
+	type ReserveIdentifier = [u8; 8];
+	type Balance = u64;
+	type DustRemoval = ();
+	type RuntimeEvent = RuntimeEvent;
+	type ExistentialDeposit = ConstU64<1>;
+	type AccountStore = System;
+	type WeightInfo = ();
+	type FreezeIdentifier = ();
+	type MaxFreezes = ();
+	type HoldIdentifier = ();
+	type MaxHolds = ();
+}
+
+impl Config for Test {
+	type RuntimeEvent = RuntimeEvent;
+}
+
+// This function basically just builds a genesis storage key/value store according to
+// our desired mockup.
+pub fn new_test_ext() -> sp_io::TestExternalities {
+	let t = GenesisConfig {
+		// We use default for brevity, but you can configure as desired if needed.
+		system: Default::default(),
+		balances: Default::default(),
+	}
+	.build_storage()
+	.unwrap();
+	t.into()
+}
+
+#[test]
+fn it_works_for_optional_value() {
+	new_test_ext().execute_with(|| {
+		assert_eq!(Dummy::<Test>::get(), None);
+
+		let val1 = 42;
+		assert_ok!(Example::add_dummy(RuntimeOrigin::root(), val1));
+		assert_eq!(Dummy::<Test>::get(), Some(vec![val1]));
+
+		// Check that accumulate works when we have Some value in Dummy already.
+		let val2 = 27;
+		assert_ok!(Example::add_dummy(RuntimeOrigin::root(), val2));
+		assert_eq!(Dummy::<Test>::get(), Some(vec![val1, val2]));
+	});
+}
+
+#[test]
+fn set_dummy_works() {
+	new_test_ext().execute_with(|| {
+		let test_val = 133;
+		assert_ok!(Example::set_bar(RuntimeOrigin::signed(1), test_val.into()));
+		assert_eq!(Bar::<Test>::get(1), Some(test_val));
+	});
+}